2497890240 has 336 divisors, whose sum is σ = 9182148768. Its totient is φ = 621084672.

The previous prime is 2497890221. The next prime is 2497890289. The reversal of 2497890240 is 420987942.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7980324 + ... + 7980636.

Almost surely, 2^2497890240 is an apocalyptic number.

2497890240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2497890240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4591074384).

2497890240 is an abundant number, since it is smaller than the sum of its proper divisors (6684258528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2497890240 is a wasteful number, since it uses less digits than its factorization.

2497890240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516 (or 503 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 2497890240 is about 49978.8979470336. The cubic root of 2497890240 is about 1356.8269162032.

The spelling of 2497890240 in words is "two billion, four hundred ninety-seven million, eight hundred ninety thousand, two hundred forty".